Insulation cover of which colour is conventionally used for earth wire – InterviewSolution

1.	Insulation cover of which colour is conventionally used for earth wire? Why is an earth wire connected to metallic parts of appliances?
Answer» For earth wire, green or yellow colour insulation is used. The earth wire provides the low resistance conducting path for the current and maintains the potential of appliances body with that of the earth. So, earth wire is used as a safety measure.

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